[INFO] fetching crate rsbot 0.2.3...
[INFO] checking rsbot-0.2.3 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate rsbot 0.2.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rsbot 0.2.3 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsbot 0.2.3
[INFO] finished tweaking crates.io crate rsbot 0.2.3
[INFO] tweaked toml for crates.io crate rsbot 0.2.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c6ed89e4e9a8bdcd18c1ef4663d23708f2cbb3ae3d41dcb88b22f9db488c6c5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4c6ed89e4e9a8bdcd18c1ef4663d23708f2cbb3ae3d41dcb88b22f9db488c6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c6ed89e4e9a8bdcd18c1ef4663d23708f2cbb3ae3d41dcb88b22f9db488c6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c6ed89e4e9a8bdcd18c1ef4663d23708f2cbb3ae3d41dcb88b22f9db488c6c5", kill_on_drop: false }`
[INFO] [stdout] 4c6ed89e4e9a8bdcd18c1ef4663d23708f2cbb3ae3d41dcb88b22f9db488c6c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 83b1d492d9353d9dceeca019d09be9dd227767c91c7be4d4df72175c032692f5
[INFO] running `Command { std: "docker" "start" "-a" "83b1d492d9353d9dceeca019d09be9dd227767c91c7be4d4df72175c032692f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking rsbot v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/linux/key.rs:23:59
[INFO] [stdout]    |
[INFO] [stdout] 23 |         XStringToKeysym(std::ffi::CString::new(string).unwrap().as_ptr())
[INFO] [stdout]    |                         --------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/linux/mod.rs:23:58
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 XOpenDisplay(std::ffi::CString::new(string).unwrap().as_ptr())
[INFO] [stdout]    |                              --------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/linux/key.rs:23:59
[INFO] [stdout]    |
[INFO] [stdout] 23 |         XStringToKeysym(std::ffi::CString::new(string).unwrap().as_ptr())
[INFO] [stdout]    |                         --------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/linux/mod.rs:23:58
[INFO] [stdout]    |
[INFO] [stdout] 23 |                 XOpenDisplay(std::ffi::CString::new(string).unwrap().as_ptr())
[INFO] [stdout]    |                              --------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "83b1d492d9353d9dceeca019d09be9dd227767c91c7be4d4df72175c032692f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b1d492d9353d9dceeca019d09be9dd227767c91c7be4d4df72175c032692f5", kill_on_drop: false }`
[INFO] [stdout] 83b1d492d9353d9dceeca019d09be9dd227767c91c7be4d4df72175c032692f5